Lepidoptera (/ Ë l É p Éª Ë d É p t Ér É / lep-i-DOP-tÉr-É) is an order of insects that includes butterflies and moths (both are called lepidopterans). About 180,000 species of the Lepidoptera are described, in 126 families and 46 superfamilies, 10% of the total described species of living organisms.
Skin Tension Lines and how to get it. 1  Skin Tension Lines (STLs) are series of lines based on the direction of tension as this relaxed skin tension lines run perpendicular to the underlying muscles contraction. For best results and aesthetic outcome, place skin incisions along skin tension lines.
Neck and Upper Back (Trapezius). This layer of muscle runs across your upper back, through your shoulders and up your neck, and is used during daily activities like supporting and turning your head. Lugging a heavy purse around all day on one shoulder can cause some major muscle imbalances within your trapezius.